Krohne H250 M9 ATEX II2G Ex i EN User Manual

Variable area flowmeterDevice category II2G with electrical internalsAdditional Ex manualAdditional Ex manualAdditional Ex manualAdditional Ex manual

2 DEVICE DESCRIPTION 10 H250 M9www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enMaximum permitted product temperature in Maximum permi

DEVICE DESCRIPTION 211H250 M9www.krohne.com11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 en2.8 Electrical dataBuilt-in equipment for the variable

3 INSTALLATION 12 H250 M9www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enInstallation3.1 InstallationInstallation and setup must be

ELECTRICAL CONNECTIONS 413H250 M9www.krohne.com11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enElectrical connections4.1 General notesThe connecti

5 OPERATION 14 H250 M9www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enOperation5.1 Start-upStart-up is only permitted when the varia

SERVICE 615H250 M9www.krohne.com11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enService6.1 MaintenanceMaintenance work of a safety-relevant nature

KROHNE product overview• Electromagnetic flowmeters• Variable area flowmeters• Ultrasonic flowmeters• Mass flowmeters• Vortex flowmeters• Flow control

CONTENTS 2 www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enH250 M91 Safety instructions 31.1 General notes ...

SAFETY INSTRUCTIONS 13H250 M9www.krohne.com11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enSafety instructions1.1 General notesThese additional in

2 DEVICE DESCRIPTION 4 H250 M9www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enDevice description2.1 Device descriptionVariable area

DEVICE DESCRIPTION 25H250 M9www.krohne.com11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 en2.3 MarkingType designation of the complete unit is show

2 DEVICE DESCRIPTION 6 H250 M9www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 en2.4 Flammable productsAtmospheric conditions:Atmospher

DEVICE DESCRIPTION 27H250 M9www.krohne.com11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 en2.7 Ambient temperature / temperature classesDue to the

2 DEVICE DESCRIPTION 8 H250 M9www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 en Using a heat resistant connecting cable1 Maximum value

DEVICE DESCRIPTION 29H250 M9www.krohne.com11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 enMaximum permitted product temperature in Maximum permitte